text: // Copyright (c) 2013 GitHub, Inc.
  // Use of this source code is governed by the MIT license that can be
  // found in the LICENSE file.
  
  #ifndef ATOM_BROWSER_API_ATOM_API_BROWSER_WINDOW_H_
  #define ATOM_BROWSER_API_ATOM_API_BROWSER_WINDOW_H_
  
  #include <memory>
  #include <string>
  #include <vector>
  
  #include "atom/browser/api/atom_api_top_level_window.h"
  #include "atom/browser/api/atom_api_web_contents.h"
  #include "base/cancelable_callback.h"
  
  namespace atom {
  
  namespace api {
  
  class BrowserWindow : public TopLevelWindow,
                        public content::RenderWidgetHost::InputEventObserver,
                        public content::WebContentsObserver,
                        public ExtendedWebContentsObserver {
   public:
    static mate::WrappableBase* New(mate::Arguments* args);
  
    static void BuildPrototype(v8::Isolate* isolate,
                               v8::Local<v8::FunctionTemplate> prototype);
  
    // Returns the BrowserWindow object from |native_window|.
    static v8::Local<v8::Value> From(v8::Isolate* isolate,
                                     NativeWindow* native_window);
  
    base::WeakPtr<BrowserWindow> GetWeakPtr() {
      return weak_factory_.GetWeakPtr();
    }
  
   protected:
    BrowserWindow(v8::Isolate* isolate,
                  v8::Local<v8::Object> wrapper,
                  const mate::Dictionary& options);
    ~BrowserWindow() override;
  
    // content::RenderWidgetHost::InputEventObserver:
    void OnInputEvent(const blink::WebInputEvent& event) override;
  
    // content::WebContentsObserver:
    void RenderViewHostChanged(content::RenderViewHost* old_host,
                               content::RenderViewHost* new_host) override;
    void RenderViewCreated(content::RenderViewHost* render_view_host) override;
    void DidFirstVisuallyNonEmptyPaint() override;
    void BeforeUnloadDialogCancelled() override;
    void OnRendererUnresponsive(content::RenderProcessHost*) override;
    bool OnMessageReceived(const IPC::Message& message,
                           content::RenderFrameHost* rfh) override;
  
    // ExtendedWebContentsObserver:
    void OnCloseContents() override;
    void OnRendererResponsive() override;
  
    // NativeWindowObserver:
    void RequestPreferredWidth(int* width) override;
    void OnCloseButtonClicked(bool* prevent_default) override;
  
    // TopLevelWindow:
    void OnWindowClosed() override;
    void OnWindowBlur() override;
    void OnWindowFocus() override;
    void OnWindowResize() override;
    void OnWindowLeaveFullScreen() override;
    void Focus() override;
    void Blur() override;
    void SetBackgroundColor(const std::string& color_name) override;
    void SetBrowserView(v8::Local<v8::Value> value) override;
    void AddBrowserView(v8::Local<v8::Value> value) override;
    void RemoveBrowserView(v8::Local<v8::Value> value) override;
    void ResetBrowserViews() override;
    void SetVibrancy(v8::Isolate* isolate, v8::Local<v8::Value> value) override;
  
    // BrowserWindow APIs.
    void FocusOnWebView();
    void BlurWebView();
    bool IsWebViewFocused();
    v8::Local<v8::Value> GetWebContents(v8::Isolate* isolate);
  
   private:
  #if defined(OS_MACOSX)
    void OverrideNSWindowContentView(InspectableWebContents* iwc);
  #endif
  
    // Helpers.
  
    // Called when the window needs to update its draggable region.
    void UpdateDraggableRegions(content::RenderFrameHost* rfh,
                                const std::vector<DraggableRegion>& regions);
  
    // Convert draggable regions in raw format to SkRegion format.
    std::unique_ptr<SkRegion> DraggableRegionsToSkRegion(
        const std::vector<DraggableRegion>& regions);
  
    // Schedule a notification unresponsive event.
    void ScheduleUnresponsiveEvent(int ms);
  
    // Dispatch unresponsive event to observers.
    void NotifyWindowUnresponsive();
  
    // Cleanup our WebContents observers.
    void Cleanup();
  
    // Closure that would be called when window is unresponsive when closing,
    // it should be cancelled when we can prove that the window is responsive.
    base::CancelableClosure window_unresponsive_closure_;
  
  #if defined(OS_MACOSX)
    std::vector<DraggableRegion> draggable_regions_;
  #endif
  
    v8::Global<v8::Value> web_contents_;
    base::WeakPtr<api::WebContents> api_web_contents_;
  
    base::WeakPtrFactory<BrowserWindow> weak_factory_;
  
    DISALLOW_COPY_AND_ASSIGN(BrowserWindow);
  };
  
  }  // namespace api
  
  }  // namespace atom
  
  #endif  // ATOM_BROWSER_API_ATOM_API_BROWSER_WINDOW_H_
  